The **M3V18V1CJ-R** is a specific part number typically associated with a **Crystal Oscillator**, specifically a Voltage-Controlled Crystal Oscillator (VCXO) or a standard Clock Oscillator, often manufactured by companies like **MtronPTI**. Below is a detailed breakdown of the electronic specifications and characteristics associated with this part series. --- ### 1. General Specifications This component is designed for high-precision timing applications. Based on the alphanumeric code, here are the likely technical parameters: | Feature | Specification (Typical) | | :--- | :--- | | **Component Type** | Crystal Oscillator (SMD) | | **Package Size** | 3.2mm x 5.0mm (or 7mm x 5mm depending on revision) | | **Supply Voltage ($V_{dd}$)** | 3.3V DC (Common for "V" series) | | **Output Type** | CMOS / HCMOS | | **Frequency Stability** | ±20ppm to ±50ppm (varies by suffix) | | **Operating Temperature** | -40°C to +85°C (Industrial Grade) | | **Packaging** | Tape & Reel ("-R" suffix) | --- ### 2. Pin Configuration For standard surface-mount (SMD) oscillators in this class, the pinout usually follows this 4-pin or 6-pin standard: | Pin Number | Function | Description | | :--- | :--- | :--- | | **Pin 1** | E/D or Vc | Enable/Disable or Voltage Control | | **Pin 2** | GND | Ground Connection | | **Pin 3** | Output | The generated clock frequency signal | | **Pin 4** | $V_{dd}$ | Positive Power Supply | --- ### 3. Key Electronic Characteristics * **Low Phase Jitter:** These parts are engineered to provide a clean clock signal with minimal timing deviations, making them suitable for high-speed data communication. * **Tri-state Functionality:** Pin 1 usually allows the output to be placed in a high-impedance state, reducing power consumption when the clock is not needed. * **RoHS Compliance:** The "-R" suffix often indicates compliance with environmental standards and delivery in a Tape & Reel format for automated PCB assembly. ### 4. Common Applications The M3V series is frequently found in: 1. **Networking Hardware:** Switches, routers, and high-speed modems. 2. **Embedded Systems:** Providing a heartbeat for Microcontrollers (MCUs) or FPGAs. 3. **Telecommunications:** Base stations and wireless infrastructure. 4. **Industrial Controllers:** Precision timing for automation systems. --- ### 5. Part Number Decoding (Example) While exact manufacturer schemes vary, the breakdown usually follows: * **M3V:** Series identifier (Surface Mount VCXO/Clock). * **18:** Voltage/Stability code (e.g., 1.8V or 3.3V operation). * **V1:** Temperature range/Frequency stability code. * **CJ:** Package type or Output logic code. * **-R:** Tape & Reel packaging.